F26B 25/04
Agitating, stirring, or scraping devices
Official title: Agitating, stirring, or scraping devices {(arrangement of doctor blades F26B17/286)}
F26B25/04 (Agitating, stirring, or scraping devices) appears on 92 US grants and 102 published applications in this corpus.
Search patents in F26B- Granted patents
- 92
- Published applications
- 102
- Assignees
- 103
- Inventors
- 270
- Latest grant
- 9 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 3 | 0 |
| 1982 | 2 | 0 |
| 1983 | 3 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 0 |
| 2004 | 2 | 0 |
| 2005 | 0 | 2 |
| 2006 | 0 | 3 |
| 2007 | 1 | 1 |
| 2008 | 4 | 3 |
| 2009 | 0 | 0 |
| 2010 | 1 | 1 |
| 2011 | 2 | 5 |
| 2012 | 0 | 2 |
| 2013 | 1 | 0 |
| 2014 | 2 | 9 |
| 2015 | 3 | 9 |
| 2016 | 4 | 1 |
| 2017 | 2 | 5 |
| 2018 | 6 | 1 |
| 2019 | 1 | 8 |
| 2020 | 10 | 5 |
| 2021 | 3 | 8 |
| 2022 | 1 | 7 |
| 2023 | 4 | 10 |
| 2024 | 6 | 14 |
| 2025 | 8 | 6 |
| 2026 | 3 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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Most cited
By later US patents
- Biomass converters and processes43US 7,334,345 B2Skill Associates, Inc. · 2008
- Slurry dryer42US 5,570,517 AScott Equipement Company · 1996
- Method for drying sludge18US 4,255,232 ABraunschweigische Maschinenbauanstalt · 1981
- Rotary drier for drying heat-sensitive products and pharmaceuticals15US 4,698,917 AItalvacuum di Ing. P. Debolini & C. S.A.S. · 1987
- Continuous dryer15US 5,197,205 AVrv S.P.A. · 1993